EP4186494A4 - JANUS FINE PARTICLES AND THEIR PRODUCTION METHOD - Google Patents

JANUS FINE PARTICLES AND THEIR PRODUCTION METHOD Download PDF

Info

Publication number: EP4186494A4
Authority: EP; European Patent Office
Prior art keywords: janus; fine particles; production method; fine; particles
Prior art date: 2020-07-22
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Pending

Application number

EP21846082.2A

Other languages

German (de)

French (fr)

Other versions

EP4186494A1 (en

Inventor

Akihiro Matsumoto

Masahiro Murakami

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2020-07-22

Filing date

2021-07-21

Publication date

2024-07-24

2021-07-21 Application filed by Individual filed Critical Individual

2023-05-31 Publication of EP4186494A1 publication Critical patent/EP4186494A1/en

2024-07-24 Publication of EP4186494A4 publication Critical patent/EP4186494A4/en

Status Pending legal-status Critical Current

Classifications

- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P1/00—Drugs for disorders of the alimentary tract or the digestive system
- A61P1/14—Prodigestives, e.g. acids, enzymes, appetite stimulants, antidyspeptics, tonics, antiflatulents
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7088—Compounds having three or more nucleosides or nucleotides
- A61K31/7105—Natural ribonucleic acids, i.e. containing only riboses attached to adenine, guanine, cytosine or uracil and having 3'-5' phosphodiester links
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/22—Hormones
- A61K38/28—Insulins
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1617—Organic compounds, e.g. phospholipids, fats
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1635—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1652—Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1682—Processes
- A61K9/1694—Processes resulting in granules or microspheres of the matrix type containing more than 5% of excipient
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/19—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles lyophilised, i.e. freeze-dried, solutions or dispersions

Landscapes

Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Bioinformatics & Cheminformatics (AREA)
Chemical & Material Sciences (AREA)
Veterinary Medicine (AREA)
Public Health (AREA)
Medicinal Chemistry (AREA)
General Health & Medical Sciences (AREA)
Animal Behavior & Ethology (AREA)
Pharmacology & Pharmacy (AREA)
Epidemiology (AREA)
Molecular Biology (AREA)
Nutrition Science (AREA)
Endocrinology (AREA)
Chemical Kinetics & Catalysis (AREA)
Biochemistry (AREA)
Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
Organic Chemistry (AREA)
Diabetes (AREA)
General Chemical & Material Sciences (AREA)
Zoology (AREA)
Gastroenterology & Hepatology (AREA)
Immunology (AREA)
Proteomics, Peptides & Aminoacids (AREA)
Biophysics (AREA)
Medicinal Preparation (AREA)

EP21846082.2A 2020-07-22 2021-07-21 JANUS FINE PARTICLES AND THEIR PRODUCTION METHOD Pending EP4186494A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2020124921		2020-07-22
PCT/JP2021/027260 WO2022019322A1 (en)	2020-07-22	2021-07-21	Janus fine particles and method for producing same

Publications (2)

Publication Number	Publication Date
EP4186494A1 EP4186494A1 (en)	2023-05-31
EP4186494A4 true EP4186494A4 (en)	2024-07-24

Family

ID=79729188

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP21846082.2A Pending EP4186494A4 (en)	2020-07-22	2021-07-21	JANUS FINE PARTICLES AND THEIR PRODUCTION METHOD

Country Status (5)

Country	Link
US (1)	US20230285300A1 (en)
EP (1)	EP4186494A4 (en)
JP (1)	JPWO2022019322A1 (en)
CN (1)	CN115803016A (en)
WO (1)	WO2022019322A1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20170326073A1 (en) *	2014-11-25	2017-11-16	Cbc Co., Ltd.	Janus nanoparticle and method for producing the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2018067469A1 (en) *	2016-10-03	2018-04-12	The Trustees Of Princeton University	Janus particles and their use for surfactant-free cleansing and emulsion stabilization

2021
- 2021-07-21 EP EP21846082.2A patent/EP4186494A4/en active Pending
- 2021-07-21 US US18/016,951 patent/US20230285300A1/en active Pending
- 2021-07-21 WO PCT/JP2021/027260 patent/WO2022019322A1/en not_active Ceased
- 2021-07-21 JP JP2022538035A patent/JPWO2022019322A1/ja active Pending
- 2021-07-21 CN CN202180049491.7A patent/CN115803016A/en active Pending

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20170326073A1 (en) *	2014-11-25	2017-11-16	Cbc Co., Ltd.	Janus nanoparticle and method for producing the same

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
BOWEN P: "Particle Size Distribution Measurement from Millimeters to Nanometers and from Rods to Platelets", vol. 23, no. 5, 1 January 2002 (2002-01-01), pages 631 - 662, XP009102859, ISSN: 0193-2691, Retrieved from the Internet <URL:https://www.tandfonline.com/doi/full/10.1081/DIS-120015368> DOI: 10.1081/DIS-120015368 *
MAR�A-HORMIGOS ROBERTO ET AL: "Oscillatory Light-Emitting Biopolymer Based Janus Microswimmers", vol. 7, no. 10, 11 March 2020 (2020-03-11), DE, pages 1 - 9, XP093021866, ISSN: 2196-7350, Retrieved from the Internet <URL:https://onlinelibrary.wiley.com/doi/full-xml/10.1002/admi.201902094> DOI: 10.1002/admi.201902094 *
See also references of WO2022019322A1 *

Also Published As

Publication number	Publication date
CN115803016A (en)	2023-03-14
US20230285300A1 (en)	2023-09-14
EP4186494A1 (en)	2023-05-31
WO2022019322A1 (en)	2022-01-27
JPWO2022019322A1 (en)	2022-01-27

Publication	Publication Date	Title
EP4032938A4 (en)	2023-10-25	PARTICLES AND METHOD FOR PRODUCING PARTICLES
EP3871808A4 (en)	2022-07-27	COPPER FINE PARTICLES, CONDUCTIVE MATERIAL, COPPER FINE PARTICLE MANUFACTURING APPARATUS, AND COPPER FINE PARTICLE MANUFACTURING METHOD
EP2527293A4 (en)	2015-12-16	METAL OXIDE FINE PARTICLES TREATED IN SILANE SURFACE, AND THEIR METHOD OF PRODUCTION
EP3865230A4 (en)	2022-07-06	METHOD FOR PRODUCING A DISPERSION OF FINE METALLIC PARTICLES
EP3851464A4 (en)	2022-06-15	HOLLOW POLYMERIC PARTICLES AND PROCESS FOR THEIR MANUFACTURE
EP4116357A4 (en)	2023-11-15	RESIN BEADS, THEIR MANUFACTURING METHOD AND PRODUCT USING THEM
EP2910237A4 (en)	2016-08-03	SURFACE-TREATED CALCIUM CARBONATE PARTICULATE PARTICLES FOR COSMETIC PRODUCT AND PROCESS FOR THE PRODUCTION THEREOF
EP3845495A4 (en)	2022-06-01	GARNET TYPE COMPOSITE METAL OXIDE PARTICLES AND METHOD FOR PRODUCTION THEREOF, AND COMPRESSION MOLDED PRODUCT OF GARNET TYPE COMPOSITE METAL OXIDE
EP2415786A4 (en)	2012-11-28	IRREGULARLY FORMED PARTICLES AND THEIR PRODUCTION PROCESS
EP3817851A4 (en)	2022-06-08	AUTOMATED MODULAR SYSTEM AND PROCESS FOR THE PRODUCTION OF BIOPOLYMERS
EP3738928A4 (en)	2021-11-10	MOLYBDENE OXYCHLORIDE OR TUNGSTEN OXYCHLORIDE AND PROCESS FOR THEIR PRODUCTION
EP2441784A4 (en)	2014-07-23	VINYL RESIN COMPOSITION CONTAINING FINE POLYMER PARTICLES, METHOD FOR PRODUCING THE SAME, AND CURED PRODUCTS THEREOF
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EP4238999A4 (en)	2025-03-26	PROCESS FOR PRODUCING HOLLOW PARTICLES AND HOLLOW PARTICLES
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EP4316697A4 (en)	2024-09-25	COPPER PARTICLES AND PROCESS FOR THEIR MANUFACTURE
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EP4265658A4 (en)	2024-11-06	FINE RESIN PARTICLES AND THEIR APPLICATION
EP3846934A4 (en)	2022-06-08	ALL CELLULOSIC SUPERABSORBENT HYDROGELS AND METHOD FOR PRODUCTION THEREOF
EP3932536C0 (en)	2025-03-05	IMPROVED MICROCAPSULES AND PROCESS FOR THEIR PRODUCTION
EP4277880A4 (en)	2024-11-13	COMPOSITE PARTICLES AND PROCESS FOR PRODUCING COMPOSITE PARTICLES

Legal Events

Date	Code	Title	Description
2022-01-28	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2023-04-28	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2023-04-28	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2023-05-31	17P	Request for examination filed	Effective date: 20230124
2023-05-31	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2023-11-01	DAV	Request for validation of the european patent (deleted)
2023-11-01	DAX	Request for extension of the european patent (deleted)
2023-12-08	REG	Reference to a national code	Ref country code: HK Ref legal event code: DE Ref document number: 40091569 Country of ref document: HK
2024-07-24	A4	Supplementary search report drawn up and despatched	Effective date: 20240626
2024-07-24	RIC1	Information provided on ipc code assigned before grant	Ipc: A61P 43/00 20060101ALI20240620BHEP Ipc: A61P 3/10 20060101ALI20240620BHEP Ipc: A61P 1/14 20060101ALI20240620BHEP Ipc: A61K 47/44 20170101ALI20240620BHEP Ipc: A61K 47/38 20060101ALI20240620BHEP Ipc: A61K 45/00 20060101ALI20240620BHEP Ipc: A61K 38/28 20060101ALI20240620BHEP Ipc: A61K 38/02 20060101ALI20240620BHEP Ipc: A61K 31/7088 20060101ALI20240620BHEP Ipc: A61K 9/14 20060101AFI20240620BHEP
2025-06-20	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
2025-07-23	17Q	First examination report despatched	Effective date: 20250623